feat: add LINE platform support with adapter and configuration (#5085)

Author: Soulter

astrbot/core/config/default.py

@@ -15,6 +15,7 @@
     "wecom_ai_bot",
     "slack",
     "lark",
+    "line",
 ]
 
 # 默认配置
@@ -415,6 +416,7 @@ class ChatProviderTemplate(TypedDict):
                         "slack_webhook_port": 6197,
                         "slack_webhook_path": "/astrbot-slack-webhook/callback",
                     },
+                    # LINE's config is located in line_adapter.py
                     "Satori": {
                         "id": "satori",
                         "type": "satori",

astrbot/core/platform/manager.py

@@ -176,6 +176,10 @@ async def load_platform(self, platform_config: dict) -> None:
                     from .sources.satori.satori_adapter import (
                         SatoriPlatformAdapter,  # noqa: F401
                     )
+                case "line":
+                    from .sources.line.line_adapter import (
+                        LinePlatformAdapter,  # noqa: F401
+                    )
         except (ImportError, ModuleNotFoundError) as e:
             logger.error(
                 f"加载平台适配器 {platform_config['type']} 失败，原因：{e}。请检查依赖库是否安装。提示：可以在 管理面板->平台日志->安装Pip库 中安装依赖库。",